-4.69% is the change from 960 to 915
Calculation steps:
[( 915 - 960 ) ÷ 960] x 100 = -4.69%
Formula
Percentage change = [(915 - 960) / 960] x 100
Subtract the new number by the original number
915 - 960 = -45
-45 ÷ 960 = -0.046875
-0.046875 x 100 = -4.69%